大约有 13,300 项符合查询结果(耗时:0.0230秒) [XML]
How to group time by hour or by 10 minutes
...hour, workingPolicy.workingHours)/2.0 gives 1.5 while datepart(hour, '1900-01-01 09:00:30.000')/2.0 gives 4.5 , i don't understand why? Note:workingPolicy.workingHours=1900-01-01 09:00:30.000. please help
– affanBajwa
Dec 29 '18 at 7:58
...
How to round float numbers in javascript?
...ath.round(1.005*100)/100 for example from MDN
– tybro0103
May 3 '16 at 17:54
7
@tybro0103 Floatin...
What is the best data type to use for money in C#?
...errors because floating point cannot represent all numbers exactly (e.g. 0.01 has no exact representation in floating point). Decimal, on the other hand, does represent numbers exactly. (The trade-off is Decimal has a smaller range than floating point) Floating point can give you * inadvertent* roun...
How do you know what to test when writing unit tests? [closed]
...lt;InvoiceDiaryHeader>();
list.Add(CreateSales("119", true, 1, "01-09-2008"));
bankHeader = CreateMultiplePayments(list, 1, 119.00M, 0);
bankHeader.Save();
Assert.AreEqual(1, bankHeader.BankCashDetails.Count);
Assert.AreEqual(1, bankHeader.BankCashDetails[...
JavaScript: Create and save file [duplicate]
...
A very minor improvement of the code by Awesomeness01 (no need for anchor tag) with addition as suggested by trueimage (support for IE):
// Function to download data to a file
function download(data, filename, type) {
var file = new Blob([data], {type: type});
if (wi...
How to append rows to an R data frame
...7 1045.972666 1055.25931 1112.769176 5
# f3(1000) 149.417636 150.529011 150.827393 151.02230 160.637845 5
# f4(1000) 7.872647 7.892395 7.901151 7.95077 8.049581 5
f1() (the approach below) is incredibly inefficient because of how often it calls data.frame and beca...
How to click or tap on a TextView text
...setContentView(R.layout.main);
t = (TextView)findViewById(R.id.TextView01);
t.setOnClickListener(this);
}
public void onClick(View arg0) {
t.setText("My text on click");
}
}
and my main.xml is:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://...
How to convert java.sql.timestamp to LocalDate (java8) java.time?
...number of upvotes for it. See my answer for details stackoverflow.com/a/57101544/2032701
– Ruslan
Jul 18 '19 at 19:40
...
How to use Git Revert
...even more clear, with a log like this:
# git log --oneline
cb76ee4 wrong
01b56c6 test
2e407ce first commit
Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history:
8d4406b Revert "wrong"
cb76ee4 wrong
01b56c6 test
2e407ce first com...
Plot correlation matrix into a graph
...x", xlab="", ylab="", col.regions=rgb.palette(120), cuts=100, at=seq(0,1,0.01))
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